 /*******************************************************************************
  * Copyright (c) 2002, 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.cheatsheets.views;


 import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.action.Action;
 import org.eclipse.jface.resource.ImageDescriptor;
 import org.eclipse.ui.internal.cheatsheets.*;

 /**
  * Action used to enable / disable method filter properties
  */
 public class CheatSheetExpandRestoreAction extends Action {
     private CheatSheetViewer viewer;
     private boolean collapsed = false;

     private ImageDescriptor collapseImage;
     private ImageDescriptor disabledImage;

     public CheatSheetExpandRestoreAction(String title, boolean initValue, CheatSheetViewer viewer) {
         super(title);
         this.viewer = viewer;

         IPath path = CheatSheetPlugin.ICONS_PATH.append(CheatSheetPlugin.T_ELCL).append("collapse_expand_all.gif");//$NON-NLS-1$
 collapseImage = CheatSheetPlugin.createImageDescriptor(CheatSheetPlugin.getPlugin().getBundle(), path);
         path = CheatSheetPlugin.ICONS_PATH.append(CheatSheetPlugin.T_DLCL).append("collapse_expand_all.gif");//$NON-NLS-1$
 disabledImage = CheatSheetPlugin.createImageDescriptor(CheatSheetPlugin.getPlugin().getBundle(), path);
         setDisabledImageDescriptor(disabledImage);
         setImageDescriptor(collapseImage);
         setCollapsed(initValue);
     }
     
     /*
      * @see Action#actionPerformed
      */
     public void run() {
         viewer.toggleExpandRestore();
     }
     
     public boolean isCollapsed() {
         return collapsed;
     }

     public void setCollapsed(boolean value) {
         super.setChecked(value);
         collapsed = value;
         if(value) {
             setToolTipText(Messages.RESTORE_ALL_TOOLTIP);
         } else {
             setToolTipText(Messages.COLLAPSE_ALL_BUT_CURRENT_TOOLTIP);
         }
     }
 }

